prostaglandin/diaree

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Prostaglandin E2-induced diarrhea in mice: importance of colonic secretion.

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The present study has investigated the basis for induction of diarrhea by prostaglandin (PG)E2 in mice. When given i.p., PGE2 induced a dose- and time-dependent diarrhea; the shortest post-treatment time for diarrhea onset was approximately 7 min, at a PGE2 dose of 200 micrograms/kg. At this dose,

Relevance of irinotecan hydrochloride-induced diarrhea to the level of prostaglandin E2 and water absorption of large intestine in rats.

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For characterization of the mechanism(s) of severe diarrhea due to the anticancer agent, irinotecan hydrochloride (CPT-11), examination was made of the relation of CPT-11-related diarrhea to colonic prostaglandin E2 (PGE2) and water absorption in rats. Acute diarrheal symptoms were observed within 1

[Pharmacological studies of loperamide, an anti-diarrheal agent. I. Effects on diarrhea induced by castor oil and prostaglandin E. (author's transl)].

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Effects of loperamide on diarrhea induced by castor oil and prostaglandin E1 were investigated in rats and mice and compared with those of narcotic analgesics, atropine, mecamylamine and local anesthetics. The following results were obtained. Loperamide markedly suppressed the appearance of diarrhea

Bovine lactoferrin protects lipopolysaccharide-induced diarrhea modulating nitric oxide and prostaglandin E2 in mice.

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Lactoferrin (Lf), an iron-binding multifunctional glycoprotein, is abundantly present in colostrum and milk of different species such as humans, bovines, and mice. Our previous observation revealed that bovine colostral Lf is transported into the systemic circulation and cerebrospinal fluid from

[Content of prostaglandins E2 and F1alpha in small intestine epithelium in cattle as a function of age and pathology in non-infectious diarrhea].

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The level of prostaglandins E2 and F1a has been determined in suspension of jejunal epithelium of adult cattle (2-4 years old) as well as of healthy and with non-infection diarrhea new born calves (3-5 days old). The obtained results suggest the features of secretion processes during postnatal

Acarbose related diarrhea: increased butyrate upregulates prostaglandin E.

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The alpha-glucosidase inhibitor acarbose is a drug used to treat type II diabetes mellitus. It occasionally causes diarrhea. Acarbose related colitis has been reported. This note explains how such side effects may occur. Because of small intestine alpha-glucosidase inhibition, increased starch

[Treatment of congenital chloride diarrhea with prostaglandin synthetase inhibitor (author's transl)].

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In a patient with congenital chloride diarrhea, the hyperreninemia, hyperaldosteronism, hypokaliemia and hypokaliuria diminished during treatment with prostaglandin synthetase inhibitor. These findings suggest that probably prostaglandins stimulate renin-aldosterone system in congenital chloride

Prostaglandin A1 inhibits the replication of bovine viral diarrhea virus.

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Bovine viral diarrhea virus can cause acute disease in livestock, leading to economic losses. We show that Prostaglandin A1 inhibits bovine viral diarrhea virus replication in Madin-Darby bovine kidney cells (94% inhibition using 5μg/mL). Light and electron microscopy of infected cells shows that

[Involvement of nitric oxide, which was synthesized by constitutive nitric oxide synthase, and prostaglandin on diarrhea induced by castor oil in rats].

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To clarify the mechanism of castor oil-induced diarrhea, this study was performed by using rats in relation to nitric oxide (NO) and prostaglandin (PG). Castor oil induced diarrhea in all rats within 3 hr in the control group. The pretreatment of NG-nitro-L-arginine methyl ester prevented the

[Synthesis of prostaglandins E2 and F2alpha and quantitative changes in lipids in small intestinal mucosa in normal piglets and in piglets with diarrhea].

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Small intestine mucose inflammation and diarrhea syndrome in piglets affected by salmonella endotoxin enhanced prostaglandin E2 synthesis and decreased prostaglandin F2 alpha synthesis. Under these conditions the share of free cholesterol decreased and the share of diacylglycerols increased in total

Alteration of histamine, serotonin and primary prostaglandin in case of diarrhea induced by endotoxin and gastrointestinal absorption of drug.

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Effects of endotoxin on the motility, the permeability of mesenteric blood vessel and endogenous substances (electrolyte (Na, K), histamine, serotonin and primary prostaglandin) in the small intestine of mice were investigated. Diarrhea was induced by intraperitoneal injection of Salmonella typhosa

Watery diarrhea syndrome caused by multihormonal malignant pancreatic islet cell tumor secreting somatostatin, vasoactive intestinal peptide, serotonin, and prostaglandin E--a clinicopathological, biochemical, immunohistochemical, and ultrastructural study.

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The pathophysiological, biochemical, histological, ultrastructural, and immunohistochemical characters of a case of malignant pancreatic islet cell tumor with watery diarrhea syndrome were carefully investigated. Four hormones or mediators--somatostatin (SST), vasoactive intestinal peptide (VIP),

Oral delivery of L-arginine stimulates prostaglandin-dependent secretory diarrhea in Cryptosporidium parvum-infected neonatal piglets.

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OBJECTIVE To determine if oral supplementation with L-arginine could augment nitric oxide (NO) synthesis and promote epithelial defense in neonatal piglets infected with Cryptosporidium parvum. METHODS Neonatal piglets were fed a liquid milk replacer and on day 3 of age infected or not with 10(8) C.

Colonic secretion mediated by prostaglandin E2 and 5-hydroxytryptamine may contribute to diarrhea due to morphine withdrawal in the rat.

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Prostaglandins and cyclic adenosine monophosphate have been claimed to play a major role in the morphine withdrawal syndrome, but intestinal secretion has not been ruled out as being responsible, at least in part, for the accompanying diarrhea. Therefore, experiments were performed in which the

Prostaglandin E2-mediated secretory diarrhea in villous adenoma of rectum: effect of treatment with indomethacin.

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Biochemical and clinical evidence is presented to indicate that prostaglandin (PG)E2 is the mediator of fluid and electrolyte secretion by villous adenomas of the rectum. A 64-yr-old man with a 2-mo history of mucous diarrhea had, on admission, prerenal uremia, severe hyponatremia, and hypokalemia.

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